1 /* ST Microelectronics LIS2DUX12 3-axis accelerometer driver 2 * 3 * Copyright (c) 2024 STMicroelectronics 4 * 5 * SPDX-License-Identifier: Apache-2.0 6 * 7 * Datasheet: 8 * https://www.st.com/resource/en/datasheet/lis2dux12.pdf 9 */ 10 11 #ifndef ZEPHYR_DRIVERS_SENSOR_LIS2DUX12_LIS2DUX12_H_ 12 #define ZEPHYR_DRIVERS_SENSOR_LIS2DUX12_LIS2DUX12_H_ 13 14 #include <zephyr/types.h> 15 #include <zephyr/drivers/sensor.h> 16 #include <zephyr/drivers/gpio.h> 17 #include <stmemsc.h> 18 19 #if DT_HAS_COMPAT_STATUS_OKAY(st_lis2dux12) 20 #include "lis2dux12_reg.h" 21 #endif 22 23 #if DT_HAS_COMPAT_STATUS_OKAY(st_lis2duxs12) 24 #include "lis2duxs12_reg.h" 25 #endif 26 27 #if DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(st_lis2dux12, spi) || \ 28 DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(st_lis2duxs12, spi) 29 #include <zephyr/drivers/spi.h> 30 #endif 31 32 #if DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(st_lis2dux12, i2c) || \ 33 DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(st_lis2duxs12, i2c) 34 #include <zephyr/drivers/i2c.h> 35 #endif 36 37 typedef int32_t (*api_lis2dux12_set_odr_raw)(const struct device *dev, uint8_t odr); 38 typedef int32_t (*api_lis2dux12_set_range)(const struct device *dev, uint8_t range); 39 typedef int32_t (*api_lis2dux12_sample_fetch_accel)(const struct device *dev); 40 #ifdef CONFIG_LIS2DUX12_ENABLE_TEMP 41 typedef int32_t (*api_lis2dux12_sample_fetch_temp)(const struct device *dev); 42 #endif 43 #ifdef CONFIG_LIS2DUX12_TRIGGER 44 typedef void (*api_lis2dux12_handle_interrupt)(const struct device *dev); 45 typedef int32_t (*api_lis2dux12_init_interrupt)(const struct device *dev); 46 #endif 47 48 struct lis2dux12_chip_api { 49 api_lis2dux12_set_odr_raw set_odr_raw; 50 api_lis2dux12_set_range set_range; 51 api_lis2dux12_sample_fetch_accel sample_fetch_accel; 52 #ifdef CONFIG_LIS2DUX12_ENABLE_TEMP 53 api_lis2dux12_sample_fetch_temp sample_fetch_temp; 54 #endif 55 #ifdef CONFIG_LIS2DUX12_TRIGGER 56 api_lis2dux12_handle_interrupt handle_interrupt; 57 api_lis2dux12_init_interrupt init_interrupt; 58 #endif 59 }; 60 61 struct lis2dux12_config { 62 stmdev_ctx_t ctx; 63 union { 64 #if DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(st_lis2dux12, i2c) || \ 65 DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(st_lis2duxs12, i2c) 66 const struct i2c_dt_spec i2c; 67 #endif 68 #if DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(st_lis2dux12, spi) || \ 69 DT_HAS_COMPAT_ON_BUS_STATUS_OKAY(st_lis2duxs12, spi) 70 const struct spi_dt_spec spi; 71 #endif 72 } stmemsc_cfg; 73 uint8_t range; 74 uint8_t pm; 75 uint8_t odr; 76 #ifdef CONFIG_LIS2DUX12_TRIGGER 77 const struct gpio_dt_spec int1_gpio; 78 const struct gpio_dt_spec int2_gpio; 79 uint8_t drdy_pin; 80 bool trig_enabled; 81 #endif 82 83 const struct lis2dux12_chip_api *chip_api; 84 }; 85 86 struct lis2dux12_data { 87 int sample_x; 88 int sample_y; 89 int sample_z; 90 float gain; 91 uint8_t range; 92 uint8_t odr; 93 94 #ifdef CONFIG_LIS2DUX12_ENABLE_TEMP 95 float sample_temp; 96 #endif 97 98 #ifdef CONFIG_LIS2DUX12_TRIGGER 99 struct gpio_dt_spec *drdy_gpio; 100 struct gpio_callback gpio_cb; 101 102 const struct sensor_trigger *data_ready_trigger; 103 sensor_trigger_handler_t data_ready_handler; 104 const struct device *dev; 105 106 #if defined(CONFIG_LIS2DUX12_TRIGGER_OWN_THREAD) 107 K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_LIS2DUX12_THREAD_STACK_SIZE); 108 struct k_thread thread; 109 struct k_sem trig_sem; 110 #elif defined(CONFIG_LIS2DUX12_TRIGGER_GLOBAL_THREAD) 111 struct k_work work; 112 #endif 113 114 #endif /* CONFIG_LIS2DUX12_TRIGGER */ 115 }; 116 117 #ifdef CONFIG_LIS2DUX12_TRIGGER 118 int lis2dux12_trigger_set(const struct device *dev, 119 const struct sensor_trigger *trig, 120 sensor_trigger_handler_t handler); 121 122 int lis2dux12_trigger_init(const struct device *dev); 123 #endif 124 125 #endif /* ZEPHYR_DRIVERS_SENSOR_LIS2DUX12_LIS2DUX12_H_ */ 126
